包头市景观格局时空演变研究
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国家自然科学基金项目(41371189)和“十二五”国家科技支撑计划项目(2012BAD16B00)


Temporal and Spatial Evolution of Landscape Pattern in Baotou City
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    摘要:

    以内蒙古自治区包头市为研究区,选取2006、2010、2016年相同月份遥感影像,结合包头市土地利用数据,将包头市景观类型划分为林地、草地、水体、耕地、建设用地、其他用地共6类,进行景观格局动态度变化分析、转移网络分析、变化空间集聚特征分析、重心转移分析、景观格局指数变化分析和景观格局演变驱动力分析。结果表明,2006—2016年市域景观特征发生了较大变化,其中2006—2010年其他用地景观类型的减少速度高达19.48%,10年间建设用地的增加速度从1.3%增至2.76%,在2010—2016年有15.19%的耕地转化为草原景观,3.79%的耕地转化为建设用地;10年间景观变化呈现点状分布,主要分布在耕地密布、草地破碎的农业耕作区和不同景观交替的边缘;2006—2010年间,其他用地中的北部裸土地经过生态治理面积减少,其重心向东南移动73.79km;景观分割指数、香农多样性、香农均匀性等呈减小趋势,尚未形成优势景观,景观破碎度加剧;通过景观格局驱动力分析发现,景观变化密集度与NDVI具有相关性。

    Abstract:

    Taking Baotou City of Inner Mongolia as a research area, the remote sensing images of the same month in 2006, 2010 and 2016 were selected. Combined with the land use data of Baotou City, the landscape types of Baotou City were divided into six categories, namely, forest land, grassland, water body, cultivated land, construction land and unused land. And the analysis of landscape pattern dynamics change, transfer network, landscape change spatial aggregation characteristics, center of gravity transfer, landscape pattern index change and landscape pattern evolution driving force were analyzed. The results showed that the characteristics of the urban landscape had undergone profound changes during the decade of 2006—2016. In 2006—2010, the rate of reduction of unused land was as high as 19.48%, and the growth rate of construction land for ten years was increased from 1.3% to 2.76%. In 2010—2016, totally 15.19% of the cultivated land was converted into grassland landscape, and 3.79% was converted into construction land. In the past ten years, landscape changes were distributed in Baotou City. The landscape changes were mainly distributed in the agricultural farming areas where the cultivated land was densely covered with grassland and the interlaced edges of different landscapes. In 2006—2010, in the unutilized land, the bare land in the north was ecologically treated, the area was reduced, and the center of gravity was moved 73.79km to the southeast. The landscape segmentation index, the aroma diversity, the fragrance uniformity, etc. were decreased, and the dominant landscape was not yet formed, and the landscape fragmentation was intensified. Through the analysis of landscape pattern driving force, it was found that the intensity of landscape change was related to NDVI. 

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王戈,于强,刘晓希,杨澜,刘建华,岳德鹏.包头市景观格局时空演变研究[J].农业机械学报,2019,50(8):192-199. WANG Ge, YU Qiang, LIU Xiaoxi, YANG Lan, LIU Jianhua, YUE Depeng. Temporal and Spatial Evolution of Landscape Pattern in Baotou City[J]. Transactions of the Chinese Society for Agricultural Machinery,2019,50(8):192-199.

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  • 收稿日期:2019-01-20
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  • 在线发布日期: 2019-08-10
  • 出版日期: 2019-08-10
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